filter过滤数据

过滤空值数据

let arr=[{id:1,name:'',age:11},{id:2,name:'张山'，age:12}]

const newArr=arr.filter(item=>!!item.name);

console.log(newArr);// [{id:2,name:'张山'，age:12}]

const cdtArr=arr.filter(item=>item.age<12);

console.log(cdtArr);// [{id:1,name:'',age:11}]